General description
The 74HC253; 74HCT253 are high-speed Si-gate CMOS devices and are pin compatible with Low-power Schottky TTL (LSTTL).
   
Features and benefits
■ Non-inverting data path
■ 3-state outputs interface directly with system bus
■ Complies with JEDEC standard no. 7A
■ Common select inputs
■ Separate output enable inputs
■ Input levels:
    ◆ For 74HC253: CMOS level
    ◆ For 74HCT253: TTL level
■ ESD protection:
    ◆ HBM JESD22-A114F exceeds 2000 V
    ◆ MM JESD22-A115-A exceeds 200 V
■ Multiple package options
■ Specified from −40 °C to +85 °C and from −40 °C to +125 °C
   
Applications
■ Data selectors
■ Data multiplexers